WHO Consultation on Public Health Issues related to Human and Animal Transmissible Spongiform Encephalopathies (‎1996: Geneva, Switzerland)‎; World Health Organization. Division of Emerging and other Communicable Diseases Surveillance and Control; Food and Agriculture Organization of the United Nations; World Organisation for Animal Health(‎WHO/EMC/DIS/96.147. Unpublished, 1996)‎

WHO Consultation on Medicinal and Other Products in Relation to Human and Animal Transmissible Spongiform Encephalopathies (‎1997: Geneva, Switzerland)‎; World Health Organization. Division of Emerging and other Communicable Diseases Surveillance and Control; World Health Organization. Biologicals Unit; World Organisation for Animal Health(‎WHO/EMC/ZOO/97.3WHO/BLG/97.2, 1997)‎